<template>
	<view class="container">
		<Header :isBack="true">
			<block slot="content">{{title}}</block>
		</Header>
		<view class="navbar">
			<view v-for="(item, index) in navList" :key="index" class="nav-item"
				:class="{current: tabCurrentIndex == index}" @click="tabClick(index)">
				{{item.text}}
			</view>
		</view>

		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
				<scroll-view class="list-scroll-content" scroll-y @scrolltoupper="pullDown">
					<!-- 空白页 -->
					<empty v-if="tabItem.loaded === true && tabItem.orderList.length === 0"></empty>

					<!-- 订单列表 -->
					<view v-for="(item,index) in tabItem.orderList" :key="index" class="order-item">
						<view class="i-top b-b">
							<text class="time">{{item.create_time}}</text>
							<text class="state" :style="{color: item.stateTipColor}">{{item.stateTip}}</text>
							<!-- <text v-if="item.status===20" class="del-btn yticon icon-iconfontshanchu1"
								@click="deleteOrder(index)"></text> -->
						</view>

						<view class="goods-box" v-for="(goodsItem, goodsIndex) in item.product_list" :key="goodsIndex">
							<view class="goods-box-single">
								<image class="goods-img" @click="navToDetailPage(goodsItem.product_id)"
									:src="goodsItem.cover_ico" mode="aspectFit"></image>
								<view class="center" @click="navToDetailPage(goodsItem.product_id)">
									<view class="title">{{goodsItem.product_name}}</view>
								</view>
								<view class="right">
									<text class="price">{{goodsItem.price}}</text>
									<text class="attr-box">x {{goodsItem.num}}</text>
								</view>
							</view>

							<view class="" v-if="goodsItem.status === 10"
								style="display: flex;justify-content: flex-end;align-items: center;height: 50px;padding-right: 42upx;">
								<button class="action-btn" @click="checkExpress(goodsItem.id)">查看物流</button>
								<button class="action-btn recom" @click="confirmOrder(goodsItem.id)">确认收货</button>
							</view>
						</view>

						<view class="price-box">
							共
							<text class="num">{{item.total_num}}</text>
							件商品 实付款
							<text class="price">{{item.all}}</text>
						</view>
						<view class="action-box b-t" v-if="item.status === 0">
							<button class="action-btn" @click="cancelOrder(item.id)">取消订单</button>
							<button class="action-btn recom" @click="payAgain(item.order_number)">立即支付</button>
						</view>
					</view>

					<uni-load-more :status="tabItem.loadingType"></uni-load-more>

				</scroll-view>
			</swiper-item>
		</swiper>
	</view>
</template>

<script>
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
	import empty from "@/components/empty";

	export default {
		components: {
			uniLoadMore,
			empty
		},
		data() {
			return {
				title: '订单列表',
				tabCurrentIndex: 0,
				navList: [{
						state: -1,
						text: '全部',
						loadingType: 'more',
						page: 1,
						totalCount: 0,
						orderList: []
					},
					{
						state: 0,
						text: '待付款',
						loadingType: 'more',
						page: 1,
						totalCount: 0,
						orderList: []
					},
					{
						state: 1,
						text: '待发货',
						loadingType: 'more',
						page: 1,
						totalCount: 0,
						orderList: []
					},
					{
						state: 10,
						text: '待收货',
						loadingType: 'more',
						page: 1,
						totalCount: 0,
						orderList: []
					},
					{
						state: 20,
						text: '已完成',
						loadingType: 'more',
						page: 1,
						totalCount: 0,
						orderList: []
					}
				],
			};
		},

		// 页面生命周期，下拉刷新后触发
		onPullDownRefresh() {
			//判断是否登录
			let result = this.$api.isLogin();
			if (result === false) {
				return false;
			}

			this.navList[this.tabCurrentIndex].page = 1;
			this.loadData()

			// 停止下拉刷新
			setTimeout(function() {
				uni.stopPullDownRefresh()
			}, 500)
		},

		//下拉到底获取新的数据
		onReachBottom() {
			this.loadData();
		},

		onLoad(options) {

			let result = this.$api.isLogin();
			if (result === false) {
				return false;
			}
			/**
			 * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
			 * 替换onLoad下代码即可
			 */
			this.tabCurrentIndex = options.state;
			this.loadData()

			uni.$on('paySuccess', () => {
				this.loadData()
			});
		},

		methods: {

			async pullDown() {

				//判断是否登录
				let result = this.$api.isLogin();
				if (result === false) {
					return false;
				}

				this.navList[this.tabCurrentIndex].page = 1;
				this.loadData()
			},

			//获取订单列表
			async loadData() {
				//这里是将订单挂载到tab列表下
				let index = this.tabCurrentIndex;
				let navItem = this.navList[index];
				let status = navItem.state;

				// if (source === 'tabChange' && navItem.loaded === true) {
				// 	//tab切换只有第一次需要加载数据
				// 	return;
				// }
				if (navItem.loadingType === 'loading') {
					//防止重复加载
					return;
				}

				navItem.loadingType = 'loading';
				this.getOrders(status);
				// orderList.forEach(item => {
				// 	navItem.orderList.push(item);
				// })
				setTimeout(() => {
					//loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
					this.$set(navItem, 'loaded', true);
					// //判断是否还有数据， 有改为 more， 没有改为noMore 
					// navItem.loadingType = 'more';
				}, 600);
			},

			async getOrders(status) {
				let dataObj = {
					token: uni.getStorageSync('token'),
					cate: uni.getStorageSync('cate'),
					page: this.navList[this.tabCurrentIndex].page,
					status: status
				}
				let url = '/orders';
				let ldata = await this.$myRequest({
					url: url,
					data: dataObj,
					methods: 'post'
				})

				let ndata = ldata.data.data.list;
				if (ndata.length > 0) {
					ndata.forEach(item => {
						let statusObj = this.orderStateExp(item.status);
						Object.assign(item, item, statusObj)
					})
				}
				let count = ldata.data.data.totalCount;
				this.navList[this.tabCurrentIndex].totalCount = count;

				if (this.navList[this.tabCurrentIndex].page === 1) {
					this.navList[this.tabCurrentIndex].orderList = ndata;

					if (ndata.length > 0) {
						this.navList[this.tabCurrentIndex].page = this.navList[this.tabCurrentIndex].page + 1;
					}
				} else {
					if (ndata.length > 0) {
						this.navList[this.tabCurrentIndex].orderList = [...this.navList[this.tabCurrentIndex]
							.orderList, ...
							ndata
						];
						this.navList[this.tabCurrentIndex].page = this.navList[this.tabCurrentIndex].page + 1;
					}
				}

				//判断是否还有下一页，有是more  没有是nomore(测试数据判断大于20就没有了)
				this.navList[this.tabCurrentIndex].loadingType = this.navList[this.tabCurrentIndex].orderList.length <
					this.navList[this.tabCurrentIndex].totalCount ? 'more' :
					'nomore';
			},

			//swiper 切换
			changeTab(e) {
				this.tabCurrentIndex = e.target.current;
				this.loadData();
			},
			//顶部tab点击
			tabClick(index) {
				this.tabCurrentIndex = index;
			},
			//删除订单
			deleteOrder(index) {
				uni.showLoading({
					title: '请稍后'
				})
				setTimeout(() => {
					this.navList[this.tabCurrentIndex].orderList.splice(index, 1);
					uni.hideLoading();
				}, 600)
			},
			//取消订单
			async cancelOrder(id) {
				uni.showLoading({
					title: '请稍后'
				})

				let dataObj = {
					token: uni.getStorageSync('token'),
					cate: uni.getStorageSync('cate'),
					id: id
				}

				let ldata = await this.$myRequest({
					url: '/delOrder',
					data: dataObj,
					methods: 'post'
				})

				this.afterOperate(0);
				uni.hideLoading();

				this.$api.msg('取消成功！')
			},

			async payAgain(tag) {
				uni.redirectTo({
					url: '/pages6/pages/order/createOrder?tag=' + tag
				});
			},

			async checkExpress(id) {
				uni.navigateTo({
					url: '/pages6/pages/order/expressInfo?id=' + id
				});
			},

			async confirmOrder(id) {
				uni.showLoading({
					title: '请稍后'
				})

				let dataObj = {
					token: uni.getStorageSync('token'),
					cate: uni.getStorageSync('cate'),
					id: id
				}

				let res = await this.$myRequest({
					url: '/conOrder',
					data: dataObj,
					methods: 'post'
				})

				this.afterOperate(10);
				uni.hideLoading();

				this.$api.msg(res.data.msg)
			},

			async afterOperate(status) {
				let dataObj = {
					token: uni.getStorageSync('token'),
					cate: uni.getStorageSync('cate'),
					page: this.navList[this.tabCurrentIndex].page,
					status: this.navList[this.tabCurrentIndex].state
				}
				let res = await this.$myRequest({
					url: '/allOrders',
					data: dataObj,
					methods: 'post'
				})
				let list = res.data.data.list;
				list.forEach(item => {
					let statusObj = this.orderStateExp(item.status);
					Object.assign(item, item, statusObj)
				})
				this.navList[this.tabCurrentIndex].orderList = list;
				switch (status) {
					case 0:
						if (this.tabCurrentIndex == 0) {
							this.navList[1].page = 1;
							this.navList[1].orderList = [];
						} else if (this.tabCurrentIndex == 1) {
							this.navList[0].page = 1;
							this.navList[0].orderList = [];
						}
						break;
					case 10:
						if (this.tabCurrentIndex == 0) {
							this.navList[3].page = 1;
							this.navList[4].page = 1;
							this.navList[3].orderList = [];
							this.navList[4].orderList = [];
						} else if (this.tabCurrentIndex == 3) {
							this.navList[0].page = 1;
							this.navList[0].orderList = [];
							this.navList[4].page = 1;
							this.navList[4].orderList = [];
						}
						break;
				}
			},

			//订单状态文字和颜色
			orderStateExp(state) {
				let stateTip = '',
					stateTipColor = '#f3431a';
				switch (state) {
					case 0:
						stateTip = '待付款';
						break;
					case 1:
						stateTip = '待发货';
						break;
					case 10:
						stateTip = '待收货';
						break;
					case 20:
						stateTip = '已完成';
						stateTipColor = '#909399';
						break;

						//更多自定义
				}
				return {
					stateTip,
					stateTipColor
				};
			},

			//详情
			navToDetailPage(id) {
				//测试数据没有写id，用title代替
				uni.navigateTo({
					url: `/pages6/pages/product/product?id=${id}`
				})
			},
		},
	}
</script>
<style>
	page {
		background-color: #f7f7f7;
		font-size: $font-base;
	}
</style>
<style lang="scss">
	.container {
		background: $page-color-base;
		height: 100%;
		// #ifdef APP-PLUS
		padding-top: 162rpx;
		// #endif

		// #ifdef MP-WEIXIN
		padding-top: 162rpx;
		// #endif

		// #ifdef H5
		padding-top: 110rpx;
		// #endif
	}

	.swiper-box {
		height: calc(100% - 40px);
	}

	.list-scroll-content {
		height: 100%;
	}

	.navbar {
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0, 0, 0, .06);
		position: relative;
		z-index: 10;

		.nav-item {
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;

			&.current {
				color: $base-color;

				&:after {
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item {
		height: auto;
	}

	.order-item {
		display: flex;
		flex-direction: column;
		// padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;

		.i-top {
			display: flex;
			align-items: center;
			height: 80upx;
			padding: 0 42upx;
			font-size: $font-base;
			color: $font-color-dark;
			position: relative;

			.time {
				flex: 1;
			}

			.state {
				color: $base-color;
			}

			.del-btn {
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;

				&:after {
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}

		/* 多条商品 */
		.goods-box {
			display: flex;
			flex-direction: column;
		}

		/* 单条商品 */
		.goods-box-single {
			display: flex;
			padding: 36upx 42upx 0upx;

			.goods-img {
				display: block;
				width: 160upx;
				height: 160upx;
				background-color: #f7fafc;
				border-radius: 15upx;
			}

			.center {
				width: 56%;

				.title {
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					height: 70upx;
					line-height: 70upx;
					padding-left: 20upx;
					width: 100%;
					font-size: $font-base;
					white-space: nowrap;
					overflow: hidden;
					text-overflow: ellipsis;
				}

			}

			.right {
				display: flex;
				flex-direction: column;
				position: relative;

				.attr-box {
					font-size: $font-base;
					// color: $font-color-light;
					padding: 10upx 12upx;
					border: 1px solid #909399;
					border-radius: 10upx;
					position: absolute;
					right: 0;
					top: 70upx;

					width: fit-content;
					width: -webkit-fit-content;
					width: -moz-fit-content;

				}

				.price {
					font-size: $font-base;
					color: $font-color-dark;
					height: 70upx;
					line-height: 70upx;

					&:before {
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}
			}
		}

		.price-box {
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.num {
				margin: 0 8upx;
				color: $font-color-dark;
			}

			.price {
				font-size: $font-lg;
				color: $font-color-dark;

				&:before {
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}

		.action-box {
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}

		.action-btn {
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-base - 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;

			&:after {
				border-radius: 100px;
			}

			&.recom {
				background: #fff9f9;
				color: $base-color;

				&:after {
					border-color: $base-color;
				}
			}
		}
	}


	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}

	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}

	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}

	.uni-load-more__img>view {
		position: absolute
	}

	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}

	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}

	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}

	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}

	.load2 {
		transform: rotate(30deg)
	}

	.load3 {
		transform: rotate(60deg)
	}

	.load1 view:nth-child(1) {
		animation-delay: 0s
	}

	.load2 view:nth-child(1) {
		animation-delay: .13s
	}

	.load3 view:nth-child(1) {
		animation-delay: .26s
	}

	.load1 view:nth-child(2) {
		animation-delay: .39s
	}

	.load2 view:nth-child(2) {
		animation-delay: .52s
	}

	.load3 view:nth-child(2) {
		animation-delay: .65s
	}

	.load1 view:nth-child(3) {
		animation-delay: .78s
	}

	.load2 view:nth-child(3) {
		animation-delay: .91s
	}

	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}

	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}

	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}

	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}

	@-webkit-keyframes load {
		0% {
			opacity: 1
		}

		100% {
			opacity: .2
		}
	}
</style>
